i have tons of energy and no morning sickness. >> reporter: in 2010, more than 1,400 babies were born to gestational surrogates, almost double the number from 2004. >> we've gotten so much better at in vitro fertilization technology. therefore this becomes more of a successful reality. >> reporter: it is increasingly becoming a family affair. this past august, 53-year-old cindy gave birth to her own granddaughter. she volunteered to carry the baby after her daughter emily was diagnosed with cervical cancer and had a hysterectomy. >> the thought of emily and mike not being able to have children and sort of chair that piece of their lives with someone just broke my heart. >> the baby conceived through ivf using emily and her husband's genetic material made their dream of starting a family come true. >> the lack of sleep, which is -- which we knew was coming, we couldn't be happier. >> reporter: even sisters are helping each other out. when tonya radcliffe learned she could conceive a baby but not carry one, her two sisters offered to help, each one willing to be impregnated with her and